Atlantis PCI Pentium II ISA Motherboard User’s Guide
48
Chipset Setup,
Continued
TypeF DMA BufferControl1
TypeF DMA Buffer Control2 These options specify the DMA channel where TypeF buffer
control is implemented. The settings are Disabled, Channel-0, Channel-1,
Channel-2, Channel-3, Channel-5, Channel-6, or Channel-7. The Optimal
and Fail-Safe default settings are Disabled.
DMA-0 Type
DMA-1 Type
DMA-2 Type
DMA-3 Type
DMA-5 Type
DMA-6 Type
DMA-7 Type
These options specify the bus that the specified DMA channel can be used on.
The settings are PC/PCI, Distributed, or Normal ISA. The Optimal and Fail-
Safe default settings are Normal ISA.
AGP Aperture Size This option specifies the amount of system memory that can be used by
the Accelerated Graphics Port (AGP). The settings are 4 MB, 8 MB, 16 MB,
32 MB, 64 MB, 128 MB, or 256 MB. The Optimal and Fail-Safe default
settings are 64 MB.
USWC Write I/O Post This option sets the status of USWC posted writes to I/O. The settings
are:
Settings
Description
Enabled
USWC posted writes to I/O are enabled.
Disabled
USWC posted writes to I/O are disabled.
Auto
AMIBIOS automatically determines if USWC posted writes
to I/O should be enabled and sets this option accordingly.
The Optimal and Fail-Safe default settings are Auto.
USB Passive Release Enable Set this option to Enabled to enable passive release for USB.
The settings are Enabled or Disabled. The Optimal and Fail-Safe default
settings are Enabled.
Master Lat. Timer This option specifies the latency for the Timer. The settings are 00h
through F8h in increments of 08h. The Optimal and Fail-Safe default settings
are 40h.